<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <script>
        var name = "多多"
        var age = 12
        // 获取age 和 name 
        // 做法    模板字符串  +表达式
        // 写法    ``
        // 表达式  @{变量名}
        var info = `name is ${name},age is ${age + 1}`
     console.log(info);
    </script>
</body>
</html>